Vertex Big Bore Piston Kit YCRF_bag stability in the dry and

stability in the dry and improved handling

3M Scotchlite corded reflective

scratch-resistant lens with UV protection

with goggle sham and internal pockets

Snap closure for casual style and performance

Vertex Big Bore Piston Kit YCRF_bag stability in the dry andFEATURES All piston skirts are coated with a hi tech Molybdenum Disulphite coating for faster break in time and increased piston life Cast Replica piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston Forged Replica pistons are forged from 2618 aluminum for superior strength and durability Forged High Compression pistons improve power and torque across entire rpm